Canon EF-S 55-250mm F4-5.6 IS STM Lens for Canon SLR Cameras
Canon's latest budget telephoto zoom uses a new CPU and AF algorithm for improved speed over the old model. The STM designation in the lens' name is for stepping motor, which is just a fancy way of saying the lens is optimized for use in video, without sacrificing any quality when shooting stills. The lens offers continuous, quiet autofocus while shooting video, which is excellent since Canon DSLRs are known for being able to shoot sharp videos as well as stills. This lens is for more than just video however; it includes optical image stabilization, a nice feature at this price point. The front of the lens also doesn't rotate, so polarizing filters stay put. Special lens coatings are used to cut back on flare while reproducing colors accurately. This lens is also compact for its focal range, weighing in at less than a pound. A more expensive lens would get you a faster maximum aperture, but for the price, the features on this lens are excellent.